External leaks from valves during valve cycling are common problems for plant operators around the world. These leaks can have disastrous consequences, contaminating the environment and endangering ...

Figure 1 displays a cutaway view of TMC’s Gimbal Piston™ isolator, which uses two air chambers instead of one. The chambers are connected by a small orifice. When the piston moves up and down, air is ...

For many years, plant operators have battled with leakage problems, searching for valves which will isolate the flow and prevent leaks to the atmosphere, but are often left feeling frustrated and out ...